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authorStephen Rothwell <sfr@canb.auug.org.au>2007-04-24 13:53:04 +1000
committerPaul Mackerras <paulus@samba.org>2007-04-24 22:09:02 +1000
commit30686ba6d56858657829d3eb524ed73e5dc98d2b (patch)
tree42bf3cea4dc7028fec30377560b367cd8274825e /sound/ppc/tumbler.c
parent1658ab66781d918f604c6069c5cf9a94b6f52f84 (diff)
downloadlinux-30686ba6d56858657829d3eb524ed73e5dc98d2b.tar.bz2
[POWERPC] Remove old interface find_devices
Replace uses with of_find_node_by_name and for_each_node_by_name. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'sound/ppc/tumbler.c')
-rw-r--r--sound/ppc/tumbler.c35
1 files changed, 24 insertions, 11 deletions
diff --git a/sound/ppc/tumbler.c b/sound/ppc/tumbler.c
index 8e01b558131d..54e333fbb1d0 100644
--- a/sound/ppc/tumbler.c
+++ b/sound/ppc/tumbler.c
@@ -1031,32 +1031,40 @@ static irqreturn_t headphone_intr(int irq, void *devid)
/* look for audio-gpio device */
static struct device_node *find_audio_device(const char *name)
{
+ struct device_node *gpiop;
struct device_node *np;
- if (! (np = find_devices("gpio")))
+ gpiop = of_find_node_by_name(NULL, "gpio");
+ if (! gpiop)
return NULL;
- for (np = np->child; np; np = np->sibling) {
+ for (np = of_get_next_child(gpiop, NULL); np;
+ np = of_get_next_child(gpiop, np)) {
const char *property = of_get_property(np, "audio-gpio", NULL);
if (property && strcmp(property, name) == 0)
- return np;
+ break;
}
- return NULL;
+ of_node_put(gpiop);
+ return np;
}
/* look for audio-gpio device */
static struct device_node *find_compatible_audio_device(const char *name)
{
+ struct device_node *gpiop;
struct device_node *np;
- if (! (np = find_devices("gpio")))
+ gpiop = of_find_node_by_name(NULL, "gpio");
+ if (!gpiop)
return NULL;
- for (np = np->child; np; np = np->sibling) {
+ for (np = of_get_next_child(gpiop, NULL); np;
+ np = of_get_next_child(gpiop, np)) {
if (device_is_compatible(np, name))
- return np;
+ break;
}
- return NULL;
+ of_node_put(gpiop);
+ return np;
}
/* find an audio device and get its address */
@@ -1066,6 +1074,7 @@ static long tumbler_find_device(const char *device, const char *platform,
struct device_node *node;
const u32 *base;
u32 addr;
+ long ret;
if (is_compatible)
node = find_compatible_audio_device(device);
@@ -1083,6 +1092,7 @@ static long tumbler_find_device(const char *device, const char *platform,
if (!base) {
DBG("(E) cannot find address for device %s !\n", device);
snd_printd("cannot find address for device %s\n", device);
+ of_node_put(node);
return -ENODEV;
}
addr = *base;
@@ -1124,7 +1134,9 @@ static long tumbler_find_device(const char *device, const char *platform,
DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n",
device, gp->addr, gp->active_state);
- return irq_of_parse_and_map(node, 0);
+ ret = irq_of_parse_and_map(node, 0);
+ of_node_put(node);
+ return ret;
}
/* reset audio */
@@ -1342,9 +1354,9 @@ int __init snd_pmac_tumbler_init(struct snd_pmac *chip)
return err;
/* set up TAS */
- tas_node = find_devices("deq");
+ tas_node = of_find_node_by_name(NULL, "deq");
if (tas_node == NULL)
- tas_node = find_devices("codec");
+ tas_node = of_find_node_by_name(NULL, "codec");
if (tas_node == NULL)
return -ENODEV;
@@ -1355,6 +1367,7 @@ int __init snd_pmac_tumbler_init(struct snd_pmac *chip)
mix->i2c.addr = (*paddr) >> 1;
else
mix->i2c.addr = TAS_I2C_ADDR;
+ of_node_put(tas_node);
DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr);